We report here the mapping of a chromosomal region responsible for strain-specific development of congenital hypothyroidism in mice heterozygous for null mutations in genes encoding Nkx2-1/Titf1 and Pax8. The two strains showing a differential predisposition to congenital hypothyroidism contain several single-nucleotide polymorphisms in this locus, one of which leads to a nonsynonymous amino acid change in a highly conserved region of Dnajc17, a member of the type III heat-shock protein-40 (Hsp40) family. We demonstrate that Dnajc17 is highly expressed in the thyroid bud and had an essential function in development, suggesting an important role of this protein in organogenesis and/or function of the thyroid gland. Copyright © 2010 by The Endocrine Society.
A locus on mouse chromosome 2 is involved in susceptibility to congenital hypothyroidism and contains an essential gene expressed in thyroid / Amendola, E., Sanges, R., Galvan, A., Dathan, N., Manenti, G., Ferrandino, G., Alvino, F.M., Di Palma, T., Scarf̀o, M., Zannini, M., Dragani, T.A., De Felice, M., Di Lauro, R.. - In: ENDOCRINOLOGY. - ISSN 0013-7227. - 151:4(2010), pp. 1948-1958. [10.1210/en.2009-1240]
A locus on mouse chromosome 2 is involved in susceptibility to congenital hypothyroidism and contains an essential gene expressed in thyroid
Sanges, RemoMembro del Collaboration group
;
2010-01-01
Abstract
We report here the mapping of a chromosomal region responsible for strain-specific development of congenital hypothyroidism in mice heterozygous for null mutations in genes encoding Nkx2-1/Titf1 and Pax8. The two strains showing a differential predisposition to congenital hypothyroidism contain several single-nucleotide polymorphisms in this locus, one of which leads to a nonsynonymous amino acid change in a highly conserved region of Dnajc17, a member of the type III heat-shock protein-40 (Hsp40) family. We demonstrate that Dnajc17 is highly expressed in the thyroid bud and had an essential function in development, suggesting an important role of this protein in organogenesis and/or function of the thyroid gland. Copyright © 2010 by The Endocrine Society.| File | Dimensione | Formato | |
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